1Cake.... Heat oven to 350.F.
Blend ..cake mix ,pumpkin ,Miracle whip dressing, and the eggs with a mixer until well blended . Pour into agreased 9 by 13 inch baking pan. Bake for 18 to 20 minutes until a toothpick comes out clean . Cool completely
2Frosting...Blend all ingredients- Powder sugar ,Stick margarine ,and vanilla until light and fluffy . Spread over cake . cut into bars .
Makes about 2 dozen.